Skip to Content
Merck
CN

340596

Potassium indigotetrasulfonate

Dye content 85 %

Synonym(s):

5,5′,7,7′-Indigotetrasulfonic acid tetrapotassium salt

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Empirical Formula (Hill Notation):
C16H6K4N2O14S4
CAS Number:
67627-19-4
Molecular Weight:
734.88
NACRES:
NA.47
PubChem Substance ID:
24860832
UNSPSC Code:
12171500
MDL number:
MFCD00059886

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

InChI

1S/C16H10N2O14S4.4K/c19-15-7-1-5(33(21,22)23)3-9(35(27,28)29)11(7)17-13(15)14-16(20)8-2-6(34(24,25)26)4-10(12(8)18-14)36(30,31)32;;;;/h1-4,17-18H,(H,21,22,23)(H,24,25,26)(H,27,28,29)(H,30,31,32);;;;/q;4*+1/p-4/b14-13+;;;;

SMILES string

[K+].[K+].[K+].[K+].[O-]S(=O)(=O)c1cc2C(=O)C(\Nc2c(c1)S([O-])(=O)=O)=C3/Nc4c(cc(cc4S([O-])(=O)=O)S([O-])(=O)=O)C3=O

InChI key

SWRJFVUVNXWCRX-XURWPRCOSA-J

assay

>95.6% (HPLC)

form

solid

composition

Dye content, 85%

solubility

water: 0.1%

λmax

591 nm

εmax

18,400 at 254 nm in water at 0.01 g/L, 29,300 at 316 nm in water at 0.01 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
07915KV
14310KU

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

David Pantoja-Uceda et al.
Structure (London, England : 1993), 28(3), 336-347 (2020-01-11)
How proteins with a stable globular fold acquire the amyloid state is still largely unknown. RepA, a versatile plasmidic DNA binding protein from Pseudomonas savastanoi, is functional as a transcriptional repressor or as an initiator or inhibitor of DNA replication
Volynskii A L, Bakeev N F
Solvent Crazing of Polymers, 13 (2012)
FTIR spectroscopy of the reaction center of Chloroflexus aurantiacus: photoreduction of the bacteriopheophytin electron acceptor.
Zabelin AA
Biochimica et Biophysica Acta, 1807(9), 1013-1021 (2011)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service